On successful registration, customer will receive an SMS confirming exercised options and a Unique Registration Number within 24 hrs. The registration will be effective within 7 days of placing the request with the service provider. Subscriber can check the status of their registration in NDNC Registry by clicking on "DND Registration Check"

Customers can also de-register their request for NDNC registry by dialing 1909 or SMS to 1909 STOP

If customer receives Unsolicited Commercial Communication (UCC) even after 7 days of registration, he can register a complaint with his service provider within 3 days of receipt of such UCC by dialing or sending SMS to 1909. Customers will have to provide the telephone number or header of the message from where the call or message has been received along with the date and time.

For complaint through SMS, customer has to send SMS COMP TEL NO XXXXXXXXXX, dd/mm/yy, Time hh:mm to 1909. Where XXXXXXXXXX - is the telephone number or header of the SMS, from which the UCC has originated.

Service Provider will take action on complaint and inform the complainant within 7 days of lodging of complaint. Customers may check registration status of his complaint through the link "UCC Complaint Registration Status".

Customers not registered with NCPR can also identify the commercial calls because they will all come from numbers starting with '140'. This is a series specially earmarked for telemarketers.

Also, in order to control the possibility of SMS packages (those allow a very large number of SMS per day) to be used by the telemarketers for sending large number of SMSs from a normal telephone number, a limit of 100 SMS per day per SIM has been laid down under these regulations except on blackout days.

Further, all commercial calls or SMS except the transactional SMSs will be sent to the customers only between 9 AM and 9 PM.